diff --git a/src/PuzzleTools.livecodescript b/src/PuzzleTools.livecodescript
index 76806cb..1185688 100644
--- a/src/PuzzleTools.livecodescript
+++ b/src/PuzzleTools.livecodescript
@@ -12,7 +12,7 @@ end toNumber
 
 function fromNumber pNum
    local tNum
-   put ((pNum - 1) mod 26) + 65 into tNum
+   put (pNum mod 27) + 64 into tNum
    return numtochar(tNum)
 end fromNumber